30 PSI Automatic Pressure Relief Valve with 3/4" FNPT Female Inlet & Outlet, Brass Boiler Pressure Relief Valve for Hot Water Boilers & Hydronic Heating Systems

["【Standard 3/4\" FNPT Female Fit】This pressure relief valve features a 3/4\" FNPT female inlet and outlet – the industry standard for most residential and light commercial boilers. It screws directly onto male pipe nipples with no bushing or coupling needed.","【Always-On Overpressure Protection】This valve guards your hot water boiler and hydronic heating system against dangerous pressure spikes. It automatically opens at 30 PSI, won't drip, and requires no constant attention. Saves you from burst pipes and costly repairs.","【Corrosion-Resistant Construction】Made from durable brass, this boiler pressure relief valve stands up to high-temperature systems. It won't rust, crack, or corrode like cheap metals. Ideal for radiators, radiant floors, and fan coil units – built to last.","【Fixed at 30 PSI】This pressure relief valve 3/4 is factory-set and fixed at 30 PSI – no guessing, no accidental adjustments. Rated up to 510,000 BTU. Compatible with virtually all residential hot water boilers and light commercial heating systems.","【Automatic & Maintenance-Free】This pressure relief valve installs quickly with no special skills needed. Fully automatic mechanical operation – no electricity, no manual reset. Just set it and trust its reliable protection."]